BIP39 stands for Bitcoin Enhancement Proposal 39. The words are chosen from a specific list of 2048 widespread English words which can be accustomed to the make a binary seed (your personal crucial). Standard recovery phrases use a selected list of 2048 words pursuing the BIP39 standard (Bitcoin Advancement Proposal https://geniusbookmarks.com/story18807840/helping-the-others-realize-the-advantages-of-bip39-seed-phrase-mnemonics-generator